Q: Is 123,129 a Prime Number?

A: No, 123,129 is not a prime number.

Why is 123,129 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 123129 can be evenly divided by 1 3 9 13,681 41,043 and 123,129, with no remainder.

Since 123,129 cannot be divided by just 1 and 123,129, it is not a prime number.

Number	123,127	123,128	123,130	123,131
Prime?	yes	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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